Service difficulty report · Control Valve · Airbus A320232

Difficulty date
August 20, 2017
Submitted
August 23, 2017
Operation
Air carrier
Aircraft
N659JB
Make and model
Airbus A320232
Aircraft serial
3190
Aircraft time
41,350 hours, 14,605 cycles
Part
Control Valve
Part number
1303A000004
Part serial
130302337
Condition
Failed
Location
Cabin Temp
Part time
10,481 hours, 3,719 cycles
Stage of operation
CL
How discovered
O
Nature of condition
M, J
Precautionary procedure
A

As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.

What was found

RETURN TO FIELD DUE TO THE COCKPIT TEMP WAS UNCONTROLLABLE, OUTPUT REACHED 118 DEGREES AND COCKPIT TEMP REACHED 94 DEGREES. TURNED OFF THE NR 2 PACK THE TEMPS CONTINUED TO CLIMB; TROUBLESHOT AND FOUND LOW REGULATING PRESSURE IN THE NR 1 PACK, R & R FLOW CONTROL VALVE. FOUND A MISSING ACM LINE BLANKING PLUG, R & R, ALSO FOUND A CRACKED CONDENSOR, R & R THE CONDENSOR. PERFORMED A LEAK CHECK AND NO LEAKS NOTED. PERFORMED CFDS ZONE TEMP CONTROL TEST AND FUNCTIONAL TEST OF COCKPIT TEMPERATURE WITH NO FAULTS FOUND.

More about the Airbus A320-232